Doctor Who: The Eleventh Doctor #13

(W) Rob Williams (A) Warren Pleece (CA) Simon Fraser. Two Emperors* and two halves of the Roman Empire* clash inside a freshly-exploded crater in 312 CE* just as the Doctor* Alice* and Jones attempt to solve the mystery of the horror that rode down to Earth aboard the titanic meteor that caused it! Plus* a surprise villain that threatens them all* one so secret there's no way we're mentioning them here!